Synthesised item

Synthesised items were introduced in the Synthesis league, in which they could be crafted by combining three Fractured items in the Synthesiser. The resulting item was a new item base with special implicit mods based on the mods of the items used.

Currently, there are four ways to acquire Synthesised items as core game mechanic:

• Bosses in Synthesis Unique Maps drop unique Synthesised items (can further augmented by atlas passive skill of the Uncharted Realms)
• Harvest crafting can synthetize a non-influenced, non-fractured item; a recipe is earned by defeating Namharim, Born of Night.
• Heists, drop Synthesised rare items
• Purchasable from a ritual encounter

Mechanics

A with one Synthesis implicit

• Synthesised items are special item bases with one to three Synthesis implicit mods. Except the implicit, Synthesised basetype has the same Defences, APSAttacks per Second or damage values as the normal base, as well as Attribute requirements. They also have "Synthesised" as a prefix of their name, as well as symbol in front and at the back of their name.
• Synthesised items can be enchanted which doesn't affect implicits. However, corrupted implicits may replace Synthesis implicits after corrupting an item.
• Synthesised base could not be turned into a unique item using an Orb of ChanceOrb of ChanceStack Size: 20Upgrades a normal item to a random rarityRight click this item then left click a normal item to apply it.
  Shift click to unstack.. Synthesised unique item are dropped from Synthesis unique maps only. Normal unique items did not have Synthesised variant.
• Since Fractured items did not drop with an influence, it was impossible to create influenced synthesised items. Also, players cannot use Elderslayer's Exalted Orb on Synthesised items.
• Synthesised items cannot have a fractured mod.
• Synthesised items cannot be infuenced.

Synthesis process

Current

Harvesting Namharim, Born of Night allows crafting which transforms items into Synthesised items: the original base changes into corresponding Synthesised base, random Synthesis implicits are added and if any implicits were present on the orignal item they are removed. Synthesised items cannot have influences.

Synthesis league

To create a synthesised item, players needed to use three Rare/Unique fractured items in the Synthesiser. The Synthesiser would then create a synthesised item with implicit modifiers based on all the modifiers of the items used, not just the fractured mods.

• The item base will be one of the three items used, chosen randomly. If a unique item is used, that one will be used as the base item.
• The item level of the base will the equal to the highest item level of the fractured items.
• Total quality of the synthesised item will be the average of all three fractured items.

Synthesized implicits can be targeted:

• The number of implicit mods is based on the number of fractured mods. It selects from the range of the number of implicit mods on the items and chooses randomly.
  • Example A: [1+2+2]: Lowest fracture mod count is 1. Highest fracture mod count is 2. This means the final item can have 1 or 2 implicits.
  • Example B: [1+1+3]: Lowest fracture mod count is 1. Highest fracture mod count is 3. This means the final item can have 1, 2, or 3 implicits.
• Every mod on each item contributes to the new implicit, including corrupted mods. This also includes hybrid mods, where each modifier will weigh in towards the implicit.
• Multiple tiers of thresholds result in different implicit outcomes and item base type.
  • Ex. The #% increased Light Radius explicit mods results in an 10% increased Light Radius implicit if the sum of all #% increased Light Radius is 1 to 20. At 21 to 30, it results in a 12% increased Light Radius implicit. At 36 to 100, for one-handed weapons, it can result in either 15% increased Light Radius or Killed Enemies Explode, dealing 3% of their Life as Physical Damage. For helmets, it can result in either 15% increased Light Radius or +1 to Level of Socketed Gems.
• Identical synthesised mods from different sources exlcude each other. This can be used to generate a garantueed implicit from purely non-fractured mod sources.
  • Example: #% increased Movement Speed and You have Onslaught during Soul Gain Prevention both generate the #% increased Movement Speed implicit. If there are three boots with both of these as fractured mods, you could craft +# to maximum Life on the the fractured boots to get up +19 to maximum Life as second implicit on the synthesized boots.

List of Synthesis modifiers

For a list of modifiers for Synthesised items, see List of synthesis implicit modifiers and List of corrupted synthesis modifiers.

Unique synthesised items

Item	Stats

References

• Reddit - How to (almost) guarantee a specific Synthesis implicit
• Path of Exile 3.6: ITEM SYNTHESIS Guide - With an Example - Implicit Control, Base, ilvl etc
• PoEDB Synthesis Mod List

Version history

Version	Changes
3.15.0	Synthesis modifiers that granted reduced Flask Charges Used can no longer roll. Synthesis implicit modifiers with increased Fortify Effect can no longer roll.